pope francis called on the followers to protect the poorest, weakest and least important. later he stood for two hours greeting visitors. after that he spoke by phone with the former pope benedict. >>> comcast flips the switch on a big upgrade. the change internet users may notice right away. >>> when businesses >>> for many merchants graffiti and vandalism can be an unfortunate fact of life. the latest attack is something they say they've never seen before. john sasaki shows us what the vandals did and what the business owners are calling for. >> reporter: 17th street in oakland bustles with diners and shoppers during the day. sometimes at night different visitors come. >> the glue was sprayed into the lock. into this lock. >> reporter: over the weekend someone filled every door lock and padlock with glue. even hitting this access box. >> this is something that someone would have had to brought something with them. >> reporter: there's been plenty of vandalism. >> they do a mess every day we found and they cut the awning. >> reporter: police told me they received no repor